The Effect of Heat Treatment on the Structure of PEO Coating on Ti-6Al-4V Alloy
محل انتشار: مجله مواد دوستدار محیط، دوره: 4، شماره: 1
سال انتشار: 1399
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 391
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شناسه ملی سند علمی:
JR_JEFM-4-1_001
تاریخ نمایه سازی: 1 مرداد 1399
چکیده مقاله:
In order to increase the corrosion resistance and improve the biocompatibility of Ti-6Al-4V alloy used in medical applications such as implants, it has been modified with various methods including PEO. On the other hand, this alloy is also capable of heat treatment. In this study, firstly different structures were obtained by heat treatment of Ti-6Al-4V substrate and then different structures were coated with the same parameters, by PEO method. The scanning electron microscope equipped with EDS was used to investigate the morphology and cross-sectional of the coatings. X-ray diffraction was also applied to analyze the phases created in the coating. Additionally, investigation of surface topography was performed by atomic force microscopy. Results have represented that the martensitic structure has a lower porosity with more regular dispersion. The creation of coating with martensitic structure also shows good thickness with high quality smoothness. On the other hand, the coating of the α-plate and inter-grain β structure were included large and irregular porosities.
کلیدواژه ها:
نویسندگان
M Garshasbi
Department of Materials Engineering, Karaj Branch ,Islamic Azad University, Karaj, Iran
A Shokuhfar
Department of Materials Engineering, K.N.Toosi University of Technology, Tehran, Iran
M Ghanbari Haghighi
Department of Materials Engineering, Karaj Branch ,Islamic Azad University, Karaj, Iran
B Karbakhsh
Department of Materials Engineering, Karaj Branch ,Islamic Azad University, Karaj, Iran
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